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A009477 as a simple table

n a(n)
0 0
1 1
2 2
3 1
4 -4
5 -3
6 38
7 61
8 -456
9 -1383
10 6154
11 28345
12 -131660
13 -808299
14 3516334
15 28955317
16 -106736272
17 -1188919631
18 3902982930
19 56978370417
20 -170222268308
21 -3196912985683
22 8352824699446
23 205147130407981
24 -450765801976408

[0,1,2,1,-4,-3,38,61,-456,-1383,6154,28345,
 -131660,-808299,3516334,28955317,-106736272,
 -1188919631,3902982930,56978370417,-170222268308,
 -3196912985683,8352824699446,205147130407981,
 -450765801976408]

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Last modified September 25 13:01 EDT 2020. Contains 337344 sequences. (Running on oeis4.)